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Labcorp
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Quest Diagnostics
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Showing 769–792 of 1013 results
Privet (t210) IgE
Labcorp
Not offered
This test measures the body's immune response to privet, a common allergen, by assessing the level of specific IgE antibodies in the serum. It helps in identifying allergic reactions to privet plants.
Procalcitonin
Labcorp
Not offered
Used in the diagnosis of bacteremia and septicemia in adults and children (including neonates), renal involvement in urinary tract infection in children, bacterial infection in neutropenic patients, and in the diagnosis, risk stratification, and monitoring of septic shock, systemic secondary infection post-surgery, as well as in severe trauma, burns, and multiorgan failure. Differential diagnosis of bacterial versus viral meningitis. Differential diagnosis of community-acquired bacterial versus viral pneumonia. Monitoring of therapeutic response to antibacterial therapy.
Procollagen Type I Intact N Terminal Propeptide
Labcorp
Not offered
Intact N-terminal propeptide of type I procollagen is useful in the management of osteoporosis and monitoring bone formation therapies and antiresorptive therapies.
Progesterone
Quest
Not offered
Progesterone is a steroid hormone involved in the menstrual cycle, pregnancy, and reproductive health. It is commonly measured to assess ovulation, support pregnancy monitoring, and evaluate hormone balance in various clinical conditions.
- Progesterone A hormone essential for the menstrual cycle and pregnancy. Used to confirm ovulation, evaluate fertility, and monitor early pregnancy.
Progesterone, Immunoassay
Labcorp
Not offered
This test measures the levels of progesterone, a key hormone in the menstrual cycle and pregnancy. Progesterone levels rise significantly during the luteal phase of the menstrual cycle and continue to increase throughout pregnancy, especially from 9 to 32 weeks. Understanding progesterone levels can help in assessing fertility and monitoring pregnancy health.
- Progesterone A hormone essential for the menstrual cycle and pregnancy. Used to confirm ovulation, evaluate fertility, and monitor early pregnancy.
Progesterone, LC/MS
Progesterone is a steroid hormone involved in the menstrual cycle, pregnancy, and reproductive health. It is commonly measured to assess ovulation, support pregnancy monitoring, and evaluate hormone balance in various clinical conditions.
- Progesterone A hormone essential for the menstrual cycle and pregnancy. Used to confirm ovulation, evaluate fertility, and monitor early pregnancy.
Progesterone is a steroid hormone involved in the menstrual cycle, pregnancy, and reproductive health. It is commonly measured to assess ovulation, support pregnancy monitoring, and evaluate hormone balance in various clinical conditions.
- Progesterone A hormone essential for the menstrual cycle and pregnancy. Used to confirm ovulation, evaluate fertility, and monitor early pregnancy.
Prolactin, Total and Monomeric
Labcorp
Not offered
For some patients the level of Prolactin measured by immunoassay may be inaccurate with respect to the level of monomeric, biologically active Prolactin. The Macroprolactin by PEG Precipitation test can help to identify if a patient sample has elevated Prolactin due to mostly inactive protein-bound Prolactin (Macroprolactin).
- Monomeric Prolactin The active, single-molecule form of prolactin, distinguished from macroprolactin (a larger, less active form) to clarify the true cause of an elevated prolactin result.
- Prolactin A pituitary hormone best known for stimulating milk production; also checked to evaluate menstrual irregularities, fertility issues, or pituitary conditions in men and women.
Prostate-Specific Antigen (PSA)
This test measures total PSA (Prostate-Specific Antigen) in the blood. It is useful for monitoring recurrence and response to treatment in patients with a history of prostate cancer. Elevated levels have been reported in inflammatory conditions of the prostate, benign prostatic hypertrophy, and prostate cancer.
- Prostate-Specific Antigen (PSA) A protein made by the prostate gland. Used to help screen for and monitor prostate cancer, though it can also rise with benign prostate conditions.
This test measures total PSA (Prostate-Specific Antigen) in the blood. It is useful for monitoring recurrence and response to treatment in patients with a history of prostate cancer. Elevated levels have been reported in inflammatory conditions of the prostate, benign prostatic hypertrophy, and prostate cancer.
- Prostate-Specific Antigen (PSA) A protein made by the prostate gland. Used to help screen for and monitor prostate cancer, though it can also rise with benign prostate conditions.
Prostate-Specific Antigen (PSA), Total (2.5 ng/mL Cutoff)
Labcorp
Not offered
This test measures the level of PSA (Prostate-Specific Antigen) in the blood to help identify conditions like prostate cancer, benign prostatic hypertrophy (enlargement of the prostate), and inflammation of the prostate. Elevated PSA levels can indicate these conditions, making this test a crucial part of prostate health screening.
- Prostate-Specific Antigen (PSA) A protein made by the prostate gland. Used to help screen for and monitor prostate cancer, though it can also rise with benign prostate conditions.
Prostatic Acid Phosphatase (PAP)
This test measures prostatic acid phosphatase (PAP), an enzyme produced primarily by the prostate gland. It may be used to help evaluate prostate health and monitor certain prostate conditions.
- Prostatic Acid Phosphatase (PAP) An older prostate marker, largely replaced by PSA, occasionally still used in specific prostate cancer monitoring contexts.
This test measures prostatic acid phosphatase (PAP), an enzyme produced primarily by the prostate gland. It may be used to help evaluate prostate health and monitor certain prostate conditions.
- Prostatic Acid Phosphatase (PAP) An older prostate marker, largely replaced by PSA, occasionally still used in specific prostate cancer monitoring contexts.
Protein C Activity and Antigen
Labcorp
Not offered
Aids in characterization of protein C deficiency. Type I deficiency is characterized by reduction in activity (functional) and antigen levels. With type II deficiency (dysfunctional protein), antigen levels may be normal and activity levels are decreased. Acquired deficiencies may occur with vitamin K antagonists/deficiency, liver disease, malignancy, consumptive DIC, surgery, trauma, and hepatic immaturity of the newborn. Drug therapy with L-asparaginase or fluorouracil can also reduce Protein C antigen levels.
- Protein C Activity Measures the activity of Protein C, a natural anticoagulant. Low activity is linked to an increased risk of blood clots.
- Protein C Antigen Measures the actual amount of Protein C protein present, used together with the activity test to fully characterize a Protein C deficiency.
Protein C Antigen
This profile helps to confirm and characterize protein C deficiency.
- Protein C Antigen Measures the actual amount of Protein C protein present, used together with the activity test to fully characterize a Protein C deficiency.
This profile helps to confirm and characterize protein C deficiency.
- Protein C Antigen Measures the actual amount of Protein C protein present, used together with the activity test to fully characterize a Protein C deficiency.
Protein Electrophoresis With Interpretation, Serum
Quest
Not offered
Serum protein electrophoresis is an analytical technique that separates serum protein into six fractions: Albumin, Alpha-1, Alpha-2, Beta-1, Beta-2, and Gamma. It is used to evaluate collagen diseases, inflammatory states, macroglobulinemia of Waldenstrom, monoclonal gammopathies, and myeloma.
- Albumin The main protein made by your liver, which helps balance fluids and carries hormones, vitamins, and medications through your blood. Low levels can point to liver, kidney, or nutrition issues.
- Albumin/Globulin Ratio Compares your two main blood protein types, albumin and globulin. An abnormal ratio can point toward liver disease, kidney problems, or immune system conditions.
- Alpha-1 Globulin One of the protein groups measured in a protein electrophoresis test. Changes in this fraction can be an early sign of inflammation or certain liver or lung conditions.
- Alpha-2 Globulin One of the protein groups measured in a protein electrophoresis test. Elevated levels are often seen with inflammation, kidney disease (nephrotic syndrome), or certain cancers.
- Beta-1 Globulin One of the protein groups measured in a protein electrophoresis test, which includes transferrin. Changes can relate to iron status or certain liver and kidney conditions.
- Gamma Globulin The protein fraction that includes most of your antibodies (immunoglobulins). Elevated levels can reflect chronic infection, inflammation, or certain blood disorders.
- Globulin A group of blood proteins that includes antibodies and various transport proteins. Assessed together with albumin to evaluate liver, kidney, and immune function.
- M-Spike A distinctive spike seen on protein electrophoresis caused by an abnormal, single clone of antibody protein. Used to screen for and monitor conditions like multiple myeloma.
- Total Protein The combined amount of all proteins in your blood, mainly albumin and globulins, used to help evaluate liver, kidney, and nutritional status.
Protein S Antigen
This profile helps to confirm and characterize congenital deficiency of protein S.
- Protein S Antigen, Free The unbound, biologically active portion of Protein S, a natural anticoagulant. Low levels raise the risk of blood clots.
- Protein S Antigen, Total Measures the total amount of Protein S — both free and bound forms — a natural anticoagulant. Low levels raise the risk of blood clots.
This profile helps to confirm and characterize congenital deficiency of protein S.
- Protein S Antigen, Free The unbound, biologically active portion of Protein S, a natural anticoagulant. Low levels raise the risk of blood clots.
- Protein S Antigen, Total Measures the total amount of Protein S — both free and bound forms — a natural anticoagulant. Low levels raise the risk of blood clots.
Protein S Deficiency Profile
This profile helps to confirm and characterize congenital deficiency of protein S.
- Protein S Activity Measures the activity of Protein S, a natural anticoagulant that works with Protein C. Low activity raises the risk of blood clots.
- Protein S Antigen, Free The unbound, biologically active portion of Protein S, a natural anticoagulant. Low levels raise the risk of blood clots.
- Protein S Antigen, Total Measures the total amount of Protein S — both free and bound forms — a natural anticoagulant. Low levels raise the risk of blood clots.
This profile helps to confirm and characterize congenital deficiency of protein S.
- Protein S Activity Measures the activity of Protein S, a natural anticoagulant that works with Protein C. Low activity raises the risk of blood clots.
- Protein S Antigen, Free The unbound, biologically active portion of Protein S, a natural anticoagulant. Low levels raise the risk of blood clots.
- Protein S Antigen, Total Measures the total amount of Protein S — both free and bound forms — a natural anticoagulant. Low levels raise the risk of blood clots.
Protein, Total, 24-Hour Urine with Creatinine
Labcorp
Not offered
Urinary total proteins are negligible in healthy individuals. Concentrations are increased in patients with a wide variety of diseases that impair renal function, including diabetes, hypertension, nephritic syndrome, and drug nephrotoxicity.
Protein, Total and Albumin
Labcorp
Not offered
This test measures the main proteins in the blood, albumin and globulin, to help assess overall health. Albumin makes up over half of the serum proteins. The ratio of albumin to globulin (A/G ratio) is used to check for various health conditions, though it's not disease-specific. A normal A/G ratio ranges from 0.8-2.0. Changes in this ratio can indicate different health issues, such as chronic inflammation, liver or kidney problems, or certain cancers.
- Albumin The main protein made by your liver, which helps balance fluids and carries hormones, vitamins, and medications through your blood. Low levels can point to liver, kidney, or nutrition issues.
- Albumin/Globulin Ratio Compares your two main blood protein types, albumin and globulin. An abnormal ratio can point toward liver disease, kidney problems, or immune system conditions.
- Globulin A group of blood proteins that includes antibodies and various transport proteins. Assessed together with albumin to evaluate liver, kidney, and immune function.
- Total Protein The combined amount of all proteins in your blood, mainly albumin and globulins, used to help evaluate liver, kidney, and nutritional status.
Protein, Total and Albumin, Plasma
Labcorp
Not offered
This test focuses on measuring the total protein and albumin levels in your plasma. Understanding these levels is crucial for assessing overall health and nutritional status, as well as identifying potential liver or kidney disorders, and other conditions that can affect protein levels in the blood.
- Albumin The main protein made by your liver, which helps balance fluids and carries hormones, vitamins, and medications through your blood. Low levels can point to liver, kidney, or nutrition issues.
- Albumin/Globulin Ratio Compares your two main blood protein types, albumin and globulin. An abnormal ratio can point toward liver disease, kidney problems, or immune system conditions.
- Globulin A group of blood proteins that includes antibodies and various transport proteins. Assessed together with albumin to evaluate liver, kidney, and immune function.
- Total Protein The combined amount of all proteins in your blood, mainly albumin and globulins, used to help evaluate liver, kidney, and nutritional status.
Protein, Total and Protein Electrophoresis
Labcorp
Not offered
Serum protein electrophoresis (SPE) is an analytical technique that provides separation of serum protein into six fractions: Albumin, Alpha-1, Alpha-2, Beta-1, Beta-2, and Gamma. Interpretation of elevation, decreased, or visual change in different fractions can be used as a diagnostic aid for a variety of different disease states and protein abnormalities, including monoclonal gammopathies (MG).
- Albumin The main protein made by your liver, which helps balance fluids and carries hormones, vitamins, and medications through your blood. Low levels can point to liver, kidney, or nutrition issues.
- Alpha-1 Globulin One of the protein groups measured in a protein electrophoresis test. Changes in this fraction can be an early sign of inflammation or certain liver or lung conditions.
- Alpha-2 Globulin One of the protein groups measured in a protein electrophoresis test. Elevated levels are often seen with inflammation, kidney disease (nephrotic syndrome), or certain cancers.
- Beta-1 Globulin One of the protein groups measured in a protein electrophoresis test, which includes transferrin. Changes can relate to iron status or certain liver and kidney conditions.
- Gamma Globulin The protein fraction that includes most of your antibodies (immunoglobulins). Elevated levels can reflect chronic infection, inflammation, or certain blood disorders.
- Total Protein The combined amount of all proteins in your blood, mainly albumin and globulins, used to help evaluate liver, kidney, and nutritional status.
- Abnormal Protein Band 1
- Abnormal Protein Band 2
- Abnormal Protein Band 3
- Beta 2 Globulin
Protein, Total, Plasma
Labcorp
Not offered
This test measures the total amount of proteins in the blood, including important ones like fibrinogen. Proteins are crucial for your body's overall health and are involved in various functions. This test can help diagnose and manage conditions affecting the liver, kidneys, bone marrow, and other issues related to metabolism or nutrition.
- Total Protein The combined amount of all proteins in your blood, mainly albumin and globulins, used to help evaluate liver, kidney, and nutritional status.
Protein, Total, Random Urine with Creatinine
Labcorp
Not offered
Proteinuria is characteristic of renal disease, and concentrations may be increased with diabetes, hypertension, nephritic syndrome, and drug nephrotoxicity.
PSA, Free and Total
PSA, Free and Total is used to screen for and monitor prostate health. Measuring both total and free PSA (Prostate-Specific Antigen) helps differentiate between benign prostate conditions and prostate cancer, improving diagnostic accuracy.
- Prostate-Specific Antigen (PSA) A protein made by the prostate gland. Used to help screen for and monitor prostate cancer, though it can also rise with benign prostate conditions.
- Prostate-Specific Antigen (PSA), Free The unbound portion of prostate-specific antigen. Used alongside total PSA to help assess prostate cancer risk, especially when total PSA is borderline.
- Prostate-Specific Antigen (PSA), % Free The percentage of your PSA that's unbound to blood proteins. A lower percentage raises suspicion for prostate cancer, helping refine an elevated total PSA result.
PSA, Free and Total is used to screen for and monitor prostate health. Measuring both total and free PSA (Prostate-Specific Antigen) helps differentiate between benign prostate conditions and prostate cancer, improving diagnostic accuracy.
- Prostate-Specific Antigen (PSA) A protein made by the prostate gland. Used to help screen for and monitor prostate cancer, though it can also rise with benign prostate conditions.
- Prostate-Specific Antigen (PSA), Free The unbound portion of prostate-specific antigen. Used alongside total PSA to help assess prostate cancer risk, especially when total PSA is borderline.
- Prostate-Specific Antigen (PSA), % Free The percentage of your PSA that's unbound to blood proteins. A lower percentage raises suspicion for prostate cancer, helping refine an elevated total PSA result.
PTH, Intact and Calcium
Labcorp
Not offered
The assay is useful in making the diagnosis of primary hyperparathyroidism, secondary hyperparathyroidism, and a differential diagnosis of hypercalcemia. The assay helps in distinguishing hypercalcemia cause by either primary hyperparathyroidism or malignant disease.
- Calcium Measures the total calcium in your blood, important for bone health, muscle function, nerve signaling, and blood clotting.
- Parathyroid Hormone (PTH), Intact A hormone that regulates calcium levels by acting on bone, kidneys, and the gut. Key marker for evaluating parathyroid, calcium, and bone disorders.
PTT, Activated
This test measures activated partial thromboplastin time (aPTT). It is used to screen for deficiencies of plasma coagulation factors and to monitor patients on heparin therapy.
- Activated Partial Thromboplastin Time (aPTT) Measures how long it takes your blood to clot through one of its main pathways. Used to check for bleeding disorders and monitor blood-thinning medications like heparin.
This test measures activated partial thromboplastin time (aPTT). It is used to screen for deficiencies of plasma coagulation factors and to monitor patients on heparin therapy.
- Activated Partial Thromboplastin Time (aPTT) Measures how long it takes your blood to clot through one of its main pathways. Used to check for bleeding disorders and monitor blood-thinning medications like heparin.